Files
newznab-tmux/misc/update_scripts/nix_scripts/tmux/python/backfill_threaded.py
T
2015-05-27 01:17:34 +02:00

138 lines
4.6 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import print_function
import sys, os, time
import threading
try:
import queue
except ImportError:
import Queue as queue
import subprocess
import string
import signal
import datetime
import lib.info as info
from lib.info import bcolors
conf = info.readConfig()
cur = info.connect()
start_time = time.time()
pathname = os.path.abspath(os.path.dirname(sys.argv[0]))
print(bcolors.HEADER + "\nBackfill Threaded Started at {}".format(datetime.datetime.now().strftime("%H:%M:%S")) + bcolors.ENDC)
#get values from db
cur[0].execute("SELECT (SELECT value FROM settings WHERE setting = 'backfillthreads') as a, (SELECT value FROM tmux WHERE setting = 'backfill') as c, (SELECT value FROM tmux WHERE setting = 'backfill_groups') as d, (SELECT value FROM tmux WHERE setting = 'backfill_order') as e, (SELECT value FROM tmux WHERE setting = 'backfill_days') as f")
dbgrab = cur[0].fetchall()
run_threads = int(dbgrab[0][0])
type = int(dbgrab[0][1])
groups = int(dbgrab[0][2])
intorder = int(dbgrab[0][3])
intbackfilltype = int(dbgrab[0][4])
#get the correct oder by for the query
if intorder == 1:
group = "ORDER BY first_record_postdate DESC"
elif intorder == 2:
group = "ORDER BY first_record_postdate ASC"
elif intorder == 3:
group = "ORDER BY name ASC"
elif intorder == 4:
group = "ORDER BY name DESC"
elif intorder == 5:
group = "ORDER BY first_record DESC"
else:
group = "ORDER BY first_record ASC"
#backfill days or safe backfill date
if intbackfilltype == 1:
backfilldays = "backfill_target"
elif intbackfilltype == 2:
backfilldays = "datediff(curdate(),(SELECT value FROM settings WHERE setting = 'safebackfilldate'))"
#exit is set to safe backfill
if len(sys.argv) == 1 and type == 4:
print(bcolors.ERROR + "Tmux is set for Safe Backfill, no groups to process." + bcolors.ENDC)
info.disconnect(cur[0], cur[1])
sys.exit()
#query to grab backfill groups
if len(sys.argv) > 1 and sys.argv[1] == "all":
# Using string formatting is not the correct way to do this, but using +group is even worse
# removing the % before the variables at the end of the query adds quotes/escapes strings
cur[0].execute("SELECT name, first_record FROM groups WHERE first_record != 0 AND backfill = 1 %s" % (group))
else:
if conf['DB_TYPE'] == "mysql":
cur[0].execute("SELECT name, first_record FROM groups WHERE first_record != 0 AND first_record_postdate IS NOT NULL AND backfill = 1 AND (NOW() - interval %s DAY) < first_record_postdate %s LIMIT %s" % (backfilldays, group, groups))
elif conf['DB_TYPE'] == "pgsql":
cur[0].execute("SELECT name, first_record FROM groups WHERE first_record != 0 AND first_record_postdate IS NOT NULL AND backfill = 1 AND (NOW() - interval '%s DAYS') < first_record_postdate %s LIMIT %s" % (backfilldays, group, groups))
datas = cur[0].fetchall()
#close connection to mysql
info.disconnect(cur[0], cur[1])
if not datas:
print(bcolors.ERROR + "No Groups enabled for backfill" + bcolors.ENDC)
sys.exit()
my_queue = queue.Queue()
time_of_last_run = time.time()
class queue_runner(threading.Thread):
def __init__(self, my_queue):
threading.Thread.__init__(self)
self.my_queue = my_queue
def run(self):
global time_of_last_run
while True:
try:
my_id = self.my_queue.get(True, 1)
except:
if time.time() - time_of_last_run > 3:
return
else:
if my_id:
time_of_last_run = time.time()
if len(sys.argv) > 1 and sys.argv[1] == "all":
subprocess.call(["php", pathname+"/../../multiprocessing/.do_not_run/switch.php", "python backfill_all_quick "+my_id])
else:
subprocess.call(["php", pathname+"/../../multiprocessing/.do_not_run/switch.php", "python backfill "+my_id])
time.sleep(.03)
self.my_queue.task_done()
def main(args):
global time_of_last_run
time_of_last_run = time.time()
print(bcolors.HEADER + "We will be using a max of {} threads, a queue of {} groups".format(run_threads, "{:,}".format(len(datas))) + bcolors.ENDC)
time.sleep(2)
def signal_handler(signal, frame):
sys.exit()
signal.signal(signal.SIGINT, signal_handler)
if True:
#spawn a pool of place worker threads
for i in range(run_threads):
p = queue_runner(my_queue)
p.setDaemon(False)
p.start()
#now load some arbitrary jobs into the queue
for gnames in datas:
time.sleep(.03)
my_queue.put("%s %s" % (gnames[0], type))
my_queue.join()
print(bcolors.HEADER + "\nBackfill Threaded Completed at {}".format(datetime.datetime.now().strftime("%H:%M:%S")) + bcolors.ENDC)
print(bcolors.HEADER + "Running time: {}\n\n".format(str(datetime.timedelta(seconds=time.time() - start_time))) + bcolors.ENDC)
if __name__ == '__main__':
main(sys.argv[1:])